[Beowulf] SuperMicro X7DWT-INF board - what connector? what cable?
djholm at fnal.gov
Wed Aug 29 07:56:14 PDT 2012
Yes, that's right, CX4 to CX4.
On Wed, 29 Aug 2012, Duke Nguyen wrote:
> Hi Don,
> On 8/29/12 6:49 PM, Donald J Holmgren wrote:
>> We use the AMD version of this motherboard ("TwinU"). The landed Mellanox
>> MT25204 HCA has a 4x microGiGaCN connector at the back of motherboard.
>> These are also often called CX4 connectors.
> Excellent! Thanks so much for this info.
>> Depending upon the switch you will connect the systems to, you need either
>> microGiGaCN to microGiGaCN cables, or microGiGaCN to QSFP cables.
>> Colfaxdirect.com lists many of each type.
> The switch we are considering is QLogic SilverStorm 9024 (9024-FC24-ST1-DDR).
> So I suppose we need microGiGaCN to microGiGaCN (CX4 to CX4) cable?
>> Supermicro.com has detailed specs and the manual for this motherboard.
>> On Aug 29, 2012, at 5:05 AM, "Duke Nguyen" <duke.lists at gmx.com> wrote:
>>> Hi folks,
>>> We plan to build a cluster using server built with SuperMicro X7DWT-INF
>>> motherboards. Unfortunately google does not give us much information
>>> about the type of connector that X7DWT-INF has.
>>> Anybody using this motherboard in their cluster? Please give us advice
>>> about which connector the board has and what infiniband cable we should
>>> acquire to fit in the rack-mount servers built with these boards.
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